1.(Preferred) Reset the crypto keys and re-initialize the secure store on the device with the error message. The warnings you will get will differ than what I have listed below. You will want to type ‘yes’ to all responses. If the secure store doesn’t initialize, try again. I had a few warnings that I had entered the commands to quickly (seriously.)

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WAV01#crypto pki managed-store initializeManaged store key is set successfully, no need to re-init. Are you sure you want to continue(yes/no)? [no]:yesAll certificate/private keys in SSL managed store will be deleted and optimized SSL traffic will be interrupted. Are you sure you want to continue(yes/no)? [no]:yes

WAV01#cms secure-store init

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2. This solution should be tried at your own risk. This is the nuke option. You will need to de-register and then re-register the device with the central manger. This should only be done as a last resort.

####WARNING!#####

WAV01#cms deregister

WAV01#config t
WAV01(config)#cms enable

####WARNING!#####

This is like registering the device as brand new. Any location information will be lost, etc.